Lyngdorf Audio SDAI 2175 owner manual Cleaning and maintenance, Technical specifications Audio

Cleaning and maintenance

Always unplug the unit from the electrical outlet before cleaning.

This unit does not require any regular maintenance except to keep its exterior clean. Simply wipe its exterior with a clean soft cloth. A small amount of non-abrasive cleaner may be used on the cloth to remove any excessive dirt or fingerprints. Do not use abrasive cleaners or cleaners containing liquid solvents.

Technical specifications

Audio

Parameter	Value	Note
Balanced input connectors	3 pin XLR, gold-plated.	Case=Gnd, Pin1=Gnd,
		Pin2=Hot(+), Pin3=Cold(-)
Balanced input impedance	10kOhm	AC-coupled.
Balanced input CMRR	40dB	20Hz-20kHz.
Unbalanced input connectors	RCA (phono) jack, gold-plated. Case=Gnd, Tip=Hot(+)
Unbalanced input impedance	100kOhm	AC-coupled
Tape Out output impedance	75 Ohm	Gain 0 dB ref. active input
Pre Out output impedance	75 Ohm unbalanced	Gain According to volume
	100 Ohm balanced	control setting. 88 dB = 0 dB
		with sensitivity 0 dB and rel.
		volume 0 dB
Max. input voltage	±12Vp AC, 0-20V DC.
Input sensitivity	2V (1V with high sens.)	200W/8ohms
Voltage gain	26dB
Output connectors	4 insulated binding posts, gold-Will accept bare wire ends of
	plated.	up to 5 mm diameter.
Output power, 8ohms	2*200W	1KHz, 1% THD+N
Output power, 4ohms	2*375W	1KHz, 1% THD+N
Nominal load impedance	4 Ohms-8 Ohms	It is safe to operate the
		amplifier with no load.
Frequency response	0.3Hz-33kHz	-3dB points, 8ohms load.
Frequency response	-0dB/+0.2dB	20Hz-20kHz, 8ohms load
Frequency response	-0.2dB/+0dB	20Hz-20kHz, 4ohms load
Output impedance	0.035 Ohms	20Hz-1kHz
Output impedance	0.4 Ohms	20kHz
THD+N, 1W/8ohms	0.004%	A-wgt.
THD+N, 1W/4ohms	0.006%	A-wgt.
THD+N, 100W/8ohms	0.01%	A-wgt.
THD+N, 180W/8ohms	0.07%	A-wgt.
THD+N, 375W/4ohms	0.07%	A-wgt.

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